Windmill

Windmill is a code-first orchestration platform for building and running internal software, including scripts, workflows, internal apps, data pipelines, and AI agents. It solves the problem of fragmented tooling by providing a unified platform for development, execution, and observability. It targets engineering, data, sales, support, and marketing teams in organizations of all sizes, from startups to enterprises. It is positioned as an open-source, self-hostable alternative to proprietary platforms, offering full code flexibility and Git-based collaboration.

Key features

• Script editor for 20+ languages
• Flow editor with no glue code
• App builder for internal tools
• Triggers: schedules, webhooks, Kafka
• Data tables for relational data
• Git-based versioning and collaboration
• Granular permissions and ACLs
• Resource sharing and encryption
• Built-in PostgreSQL databases
• Full observability with logs and alerts
• Fastest orchestrator with auto-scaling
• Custom HTTP routes for triggers
• Windows support for workers
• Rust script support
• AI script generation